#638519#638519

#638519 is a mid, vivid yellow-green. Relative luminance 0.195; OKLCH L 57.0% C 0.136 H 126.3°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#638519
RGB	rgb(99, 133, 25)
HSL	hsl(79, 68%, 31%)
HSV	hsv(79, 81%, 52%)
CMYK	cmyk(25.6%, 0%, 81.2%, 47.8%)
CIE-LAB	lab(51.26, -27.72, 49.71)
CIE-LCH	lch(51.26, 56.91, 119.15°)
OKLab	oklab(57.05% -0.0803 0.1092)
OKLCH	oklch(57.05% 0.136 126.3)
XYZ	xyz(13.7087, 19.4977, 3.9607)
Luminance	0.1950 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638519 #3B1985

analogous

#857119 #638519 #2D8519

triadic

#638519 #196385 #851963

tetradic

#638519 #198571 #3B1985 #85192D

square

#638519 #198571 #3B1985 #85192D

split-complementary

#638519 #192D85 #711985

monochromatic

#161E06 #3D510F #638519 #89B923 #A9DB3E

Accessibility & contrast

On white

4.29

#638519 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#638519 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638519

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638519	#FFFFFF	#000000	##000000
##638519	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7B00

Deuteranopia (green-blind)

#887A24

Tritanopia (blue-blind)

#677E71

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #638519;
/* rgb */ color: rgb(99, 133, 25);
/* oklch */ color: oklch(57.0% 0.136 126.3);

Tailwind

colors: {
  custom: {
    50: '#93a860',
    500: '#638519',
    950: '#000000',
  },
}

SCSS

$custom: #638519;
$custom-light: #93a860;
$custom-dark: #000000;

JSON

{
  "hex": "#638519",
  "rgb": {
    "r": 99,
    "g": 133,
    "b": 25
  },
  "hsl": {
    "h": 78.889,
    "s": 68.354,
    "l": 30.98
  },
  "oklch": {
    "l": 0.57049,
    "c": 0.13558,
    "h": 126.3
  },
  "luminance": 0.19498
}

Semantic roles & 50–950 ramp

primary

#638519

secondary

#6741B9

accent

#3DEB74

background

#F9FAF5

surface

#F2F4EA

border

#CCCEC6

text

#0D0F05

muted

#7E7F79

Preview Lab

Preview with #638519

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →